v2.3.0.15

Business Acquisitions (Purchase Price Allocated Based On Estimates Of Fair Values Of Acquired Assets And Liabilities) (Details) (USD $) In Thousands	May 03, 2011 Headstrong Corporation [Member]	Jul. 02, 2011 Nissan Human Information Services Co., Ltd. [Member]	Aug. 24, 2011 High Performance Partners LLC [Member]
Business Acquisition [Line Items]
Acquisition date fair value of contingent consideration			$ 6,417
Acquisition date fair value of the Company's investment in HPP held before the business combination			1,326
Preliminary estimated cash consideration	565,095	2,000	7,743
Acquisition related costs included in selling, general and administrative expenses	5,616	263	49
Cash and cash equivalents	25,845	256
Current assets	62,237	5,624
Tangible fixed assets, net	14,634	735
Intangible assets	91,020	452	1,863
Deferred tax asset/ (liability), net	18,346	265
Other non-current assets	11,968	20
Current liabilities	(42,650)	(5,364)	(108)
Long term liabilities	(6,274)
Total identifiable net assets assumed	175,126		1,755
Goodwill	389,969	12	5,988
Total purchase price	$ 565,095	$ 2,000	$ 7,743

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